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Abdulai, A.Jassogne, Laurence T.P.Muilerman, SanderAsare, R.Läderach, PeterAsten, Piet J.A. vanGraefe, S.Vaast, Philippe[Evaluation of yield gap and production factor in cocoa systems along a climatic gradient in Ghana]Evaluation of yield gap and production factor in cocoa systems along a climatic gradient in Ghana

This report is a first step in a joint attempt to map Uganda's coffee quality at harvest. This report provides a summary overview of the data collected for the most important Arabica and Robusta-growing regions in Uganda. The work is building on the coffee yield mapping led by IITA and supported ...


Asten, Piet J.A. vanMukasa, D.Jassogne, Laurence T.P.Nakendo, S.Kananura, E.[Mapping Uganda's coffee quality]Mapping Uganda's coffee quality

We use a combination of a statistical model of climatic suitability (Maxent) and the analysis of individual, potentially limiting climate variables. We find that: 1) contrary to expectation, maximum dry season temperatures are projected to become as or more limiting for cocoa as dry season water ...


Schroth, GötzLäderach, PeterMartínez Valle, Armando IsaacBunn, ChristianJassogne, Laurence T.P.[Replication Data for: Vulnerability to climate change of cocoa in West Africa: Patterns, opportunities and limits to adaptation]Replication Data for: Vulnerability to climate change of cocoa in West Africa: Patterns, opportunities and limits to adaptation

Smallholder farmers around the globe are facing unstable productivity due to changing climate and weather patterns. The ways in which the private sector supports these farmers to build resilience to and/or engage in efforts to mitigate climate change can have significant impact on farmer liveliho...


Sloan, KealyTeague, ElizabethTalsma, TiffanyDaniels, StephanieBunn, ChristianJassogne, Laurence T.P.Lundy, Mark[One Size Does Not Fit All: Private-Sector Perspectives on Climate Change, Agriculture and Adaptation]One Size Does Not Fit All: Private-Sector Perspectives on Climate Change, Agriculture and Adaptation

We investigated the relationship between characteristics of coffee shade systems and coffee pest infestation by the black coffee twig borer Xylosandrus compactus Eichhoff. The pest deprives Uganda of $40 millions annually, yet its control remains inadequate. The present study considered three ra...


Bukomeko, HanningtonJassogne, Laurence T.P.Kagezi H., GodfreyMukasa, DavidVaast, Philippe[Influence of shaded systems on Xylosandrus compactus infestation in Robusta coffee along a rainfall gradient in Uganda]Influence of shaded systems on Xylosandrus compactus infestation in Robusta coffee along a rainfall gradient in Uganda

Although coffee is a promising cash crop, smallholder farmers that grow coffee are still vulnerable. Soil fertility is declining, pest and disease pressure is increasing, populations are rising, and land is continuously fragmented. Above all, climate change is starting to take its toll and puts f...


Jassogne, Laurence T.P.Asten, Piet J.A. vanLäderach, PeterCraparo, S.Wanyama, I.Nibasumba ABielders, Charles L.[Climate-smart perennial systems]Climate-smart perennial systems

Coffee and banana are important cash and food crops in Uganda and the surrounding East African highland region. Production is dominated by smallholders that have limited arable land and often coffee and banana are intercropped. No significant research and development efforts have been undertaken ...


Jassogne, Laurence T.P.Asten, Piet J.A. vanWanyama, I.Baret, P.[Perceptions and outlook on intercropping coffee with banana as an opportunity for smallholder coffee farmers in Uganda]Perceptions and outlook on intercropping coffee with banana as an opportunity for smallholder coffee farmers in Uganda

Vanlauwe, BernardAbdelGadir, AbdelAziz H.Adewopo, J.Adjei-Nsiah, SamuelAmpadu-Boakye, T.Asare, R.Baijukya, Frederick P.Baars, E.Bekunda, Mateete A.Coyne, D.L.Dianda, M.Dontsop Nguezet, Paul M.Ebanyat, PeterHauser, S.Huising, JeroenJalloh, A.Jassogne, Laurence T.P.Kamai, N.Kamara, A.Kanampiu, F.Kehbila, A.Kintche, K.Kreye, C.Larbi, AsamoahMasso, C.Matungulu, P.Mohammed, I.Nabahungu, L.Nielsen, F.Nziguheba, GenerosePypers, PieterRoobroeck, D.Schut, MarcTaulya, G.Thuita, Moses N.Uzokwe, Veronica N.E.Asten, Piet J.A. vanWairegi, L.W.I.Yemefack, M.Mutsaers, H.J.W.[Looking back and moving forward: 50 years of soil and soil fertility management research in sub-Saharan Africa]Looking back and moving forward: 50 years of soil and soil fertility management research in sub-Saharan Africa

tCoffee is Uganda’s biggest export commodity, produced mainly by an estimated one million smallholderfarmers (<2.5 ha). Arabica (Coffea arabica L.) and Robusta (Coffea canephora Pierre ex Froehn.) are thetwo coffee species grown. Robusta is dominantly cultivated at lower elevations (<1400 m) such...


Wang, N.Jassogne, Laurence T.P.Asten, Piet J.A. vanMukasa, D.Wanyama, I.Kagezi, G.Giller, Ken E.[Evaluating coffee yield gaps and important biotic, abiotic, and management factors limiting coffee production in Uganda]Evaluating coffee yield gaps and important biotic, abiotic, and management factors limiting coffee production in Uganda

Coffee is a major cash crop in Uganda accounting for about 20 30% of foreign exchange earnings. Smallholder farmers whose average farm sizes range from 0.5 to 2.5 ha produce 90% of Uganda s coffee. The livelihoods of these smallholder coffee farmers are very vulnerable and studies have shown that...


Jassogne, Laurence T.P.Asten, Piet J.A. vanLäderach, Peter[Impact of climate change on coffee in Uganda. Lessons from a case study on Arabica coffee in the Rwenzori Mountains]Impact of climate change on coffee in Uganda. Lessons from a case study on Arabica coffee in the Rwenzori Mountains

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